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llvm-cov: Allow creating CoverageMappings from filenames

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218185 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2014-09-20 17:19:52 +00:00
parent 9eb38163a5
commit 7df63b7d54
3 changed files with 20 additions and 19 deletions
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6
include/llvm/ProfileData/CoverageMapping.h
View File

@ -318,11 +318,15 @@ class CoverageMapping {
CoverageMapping() : MismatchedFunctionCount(0) {}
public:
/// Load the coverage mapping using the given readers.
/// \brief Load the coverage mapping using the given readers.
static ErrorOr<std::unique_ptr<CoverageMapping>>
load(ObjectFileCoverageMappingReader &CoverageReader,
IndexedInstrProfReader &ProfileReader);
/// \brief Load the coverage mapping from the given files.
static ErrorOr<std::unique_ptr<CoverageMapping>>
load(StringRef ObjectFilename, StringRef ProfileFilename);
/// \brief The number of functions that couldn't have their profiles mapped.
///
/// This is a count of functions whose profile is out of date or otherwise

14
lib/ProfileData/CoverageMapping.cpp
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@ -183,6 +183,20 @@ CoverageMapping::load(ObjectFileCoverageMappingReader &CoverageReader,
return std::move(Coverage);
}
ErrorOr<std::unique_ptr<CoverageMapping>>
CoverageMapping::load(StringRef ObjectFilename, StringRef ProfileFilename) {
auto CounterMappingBuff = MemoryBuffer::getFileOrSTDIN(ObjectFilename);
if (auto EC = CounterMappingBuff.getError())
return EC;
ObjectFileCoverageMappingReader CoverageReader(CounterMappingBuff.get());
if (auto EC = CoverageReader.readHeader())
return EC;
std::unique_ptr<IndexedInstrProfReader> ProfileReader;
if (auto EC = IndexedInstrProfReader::create(ProfileFilename, ProfileReader))
return EC;
return load(CoverageReader, *ProfileReader);
}
namespace {
/// \brief Distributes functions into instantiation sets.
///

19
tools/llvm-cov/CodeCoverage.cpp
View File

@ -196,24 +196,7 @@ CodeCoverageTool::createSourceFileView(StringRef SourceFile,
}
std::unique_ptr<CoverageMapping> CodeCoverageTool::load() {
auto CounterMappingBuff = MemoryBuffer::getFileOrSTDIN(ObjectFilename);
if (auto EC = CounterMappingBuff.getError()) {
error(EC.message(), ObjectFilename);
return nullptr;
}
ObjectFileCoverageMappingReader MappingReader(CounterMappingBuff.get());
if (auto EC = MappingReader.readHeader()) {
error(EC.message(), ObjectFilename);
return nullptr;
}
std::unique_ptr<IndexedInstrProfReader> PGOReader;
if (auto EC = IndexedInstrProfReader::create(PGOFilename, PGOReader)) {
error(EC.message(), PGOFilename);
return nullptr;
}
auto CoverageOrErr = CoverageMapping::load(MappingReader, *PGOReader);
auto CoverageOrErr = CoverageMapping::load(ObjectFilename, PGOFilename);
if (std::error_code EC = CoverageOrErr.getError()) {
colored_ostream(errs(), raw_ostream::RED)
<< "error: Failed to load coverage: " << EC.message();